/
options.go
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/
options.go
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package monitor
import (
"github.com/aporeto-inc/trireme-lib/collector"
"github.com/aporeto-inc/trireme-lib/monitor/config"
"github.com/aporeto-inc/trireme-lib/monitor/extractors"
"github.com/aporeto-inc/trireme-lib/monitor/internal/cni"
"github.com/aporeto-inc/trireme-lib/monitor/internal/docker"
"github.com/aporeto-inc/trireme-lib/monitor/internal/linux"
"github.com/aporeto-inc/trireme-lib/monitor/internal/uid"
"github.com/aporeto-inc/trireme-lib/policy"
)
// Options is provided using functional arguments.
type Options func(*config.MonitorConfig)
// CNIMonitorOption is provided using functional arguments.
type CNIMonitorOption func(*cnimonitor.Config)
// UIDMonitorOption is provided using functional arguments.
type UIDMonitorOption func(*uidmonitor.Config)
// DockerMonitorOption is provided using functional arguments.
type DockerMonitorOption func(*dockermonitor.Config)
// LinuxMonitorOption is provided using functional arguments.
type LinuxMonitorOption func(*linuxmonitor.Config)
// SubOptionMonitorLinuxExtractor provides a way to specify metadata extractor for linux monitors.
func SubOptionMonitorLinuxExtractor(extractor extractors.EventMetadataExtractor) LinuxMonitorOption {
return func(cfg *linuxmonitor.Config) {
cfg.EventMetadataExtractor = extractor
}
}
// optionMonitorLinux provides a way to add a linux monitor and related configuration to be used with New().
func optionMonitorLinux(
host bool,
opts ...LinuxMonitorOption,
) Options {
lc := linuxmonitor.DefaultConfig(host)
// Collect all docker options
for _, opt := range opts {
opt(lc)
}
return func(cfg *config.MonitorConfig) {
if host {
cfg.Monitors[config.LinuxHost] = lc
} else {
cfg.Monitors[config.LinuxProcess] = lc
}
}
}
// OptionMonitorLinuxHost provides a way to add a linux host monitor and related configuration to be used with New().
func OptionMonitorLinuxHost(
opts ...LinuxMonitorOption,
) Options {
return optionMonitorLinux(true, opts...)
}
// OptionMonitorLinuxProcess provides a way to add a linux process monitor and related configuration to be used with New().
func OptionMonitorLinuxProcess(
opts ...LinuxMonitorOption,
) Options {
return optionMonitorLinux(false, opts...)
}
// SubOptionMonitorCNIExtractor provides a way to specify metadata extractor for CNI monitors.
func SubOptionMonitorCNIExtractor(extractor extractors.EventMetadataExtractor) CNIMonitorOption {
return func(cfg *cnimonitor.Config) {
cfg.EventMetadataExtractor = extractor
}
}
// OptionMonitorCNI provides a way to add a cni monitor and related configuration to be used with New().
func OptionMonitorCNI(
opts ...CNIMonitorOption,
) Options {
cc := cnimonitor.DefaultConfig()
// Collect all docker options
for _, opt := range opts {
opt(cc)
}
return func(cfg *config.MonitorConfig) {
cfg.Monitors[config.CNI] = cc
}
}
// SubOptionMonitorUIDExtractor provides a way to specify metadata extractor for UID monitors.
func SubOptionMonitorUIDExtractor(extractor extractors.EventMetadataExtractor) UIDMonitorOption {
return func(cfg *uidmonitor.Config) {
cfg.EventMetadataExtractor = extractor
}
}
// OptionMonitorUID provides a way to add a UID monitor and related configuration to be used with New().
func OptionMonitorUID(
opts ...UIDMonitorOption,
) Options {
uc := uidmonitor.DefaultConfig()
// Collect all docker options
for _, opt := range opts {
opt(uc)
}
return func(cfg *config.MonitorConfig) {
cfg.Monitors[config.UID] = uc
}
}
// SubOptionMonitorDockerExtractor provides a way to specify metadata extractor for docker.
func SubOptionMonitorDockerExtractor(extractor extractors.DockerMetadataExtractor) DockerMonitorOption {
return func(cfg *dockermonitor.Config) {
cfg.EventMetadataExtractor = extractor
}
}
// SubOptionMonitorDockerSocket provides a way to specify socket info for docker.
func SubOptionMonitorDockerSocket(socketType, socketAddress string) DockerMonitorOption {
return func(cfg *dockermonitor.Config) {
cfg.SocketType = socketType
cfg.SocketAddress = socketAddress
}
}
// SubOptionMonitorDockerFlags provides a way to specify configuration flags info for docker.
func SubOptionMonitorDockerFlags(syncAtStart, killContainerOnPolicyError bool) DockerMonitorOption {
return func(cfg *dockermonitor.Config) {
cfg.KillContainerOnPolicyError = killContainerOnPolicyError
cfg.SyncAtStart = syncAtStart
}
}
// OptionMonitorDocker provides a way to add a docker monitor and related configuration to be used with New().
func OptionMonitorDocker(opts ...DockerMonitorOption) Options {
dc := dockermonitor.DefaultConfig()
// Collect all docker options
for _, opt := range opts {
opt(dc)
}
return func(cfg *config.MonitorConfig) {
cfg.Monitors[config.Docker] = dc
}
}
// OptionMergeTags provides a way to add merge tags to be used with New().
func OptionMergeTags(tags []string) Options {
return func(cfg *config.MonitorConfig) {
cfg.MergeTags = tags
cfg.Common.MergeTags = tags
}
}
// OptionCollector provide a way to add to the docker monitor the collector instance
func OptionCollector(c collector.EventCollector) Options {
return func(cfg *config.MonitorConfig) {
cfg.Common.Collector = c
}
}
// OptionPolicyResolver provides a way to add to the docker monitor the policy resolver instance
func OptionPolicyResolver(p policy.Resolver) Options {
return func(cfg *config.MonitorConfig) {
cfg.Common.Policy = p
}
}
// NewMonitor provides a configuration for monitors.
func NewMonitor(opts ...Options) *config.MonitorConfig {
cfg := &config.MonitorConfig{
Monitors: make(map[config.Type]interface{}),
}
for _, opt := range opts {
opt(cfg)
}
return cfg
}